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Finding the Third Proportional to 48,928.50 and 64,629

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Solution

The third proportional to 48,928.50 and 64,629 is: 85,367.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,928.50 : 64,629 = 64,629 : x
  2. Step 2: Convert to fraction form
    48,928.50/64,629 = 64,629/x
  3. Step 3: Cross multiply
    48,928.50x = 64,629 × 64,629
  4. Step 4: Simplify right side
    48,928.50x = 4,176,907,641
  5. Step 5: Solve for x
    x = 4,176,907,641/48,928.50
  6. Step 6: Final answer
    x = 85,367.58

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.